CN110277029A - A kind of frameless transparency LED display screen - Google Patents
A kind of frameless transparency LED display screen Download PDFInfo
- Publication number
- CN110277029A CN110277029A CN201910454504.3A CN201910454504A CN110277029A CN 110277029 A CN110277029 A CN 110277029A CN 201910454504 A CN201910454504 A CN 201910454504A CN 110277029 A CN110277029 A CN 110277029A
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- led light
- light bar
- control unit
- unit device
- gear
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 239000011521 glass Substances 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000011324 bead Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention discloses a kind of frameless transparency LED display screens, its structure includes control unit device, transparent glass screen, the double-deck LED light bar, positioning guiding rack, carrying handle, control unit device is by body, adjustable support pedestal, toothed disc, gear shaft, transmission gear composition, gear sheet is driven to be displaced work using gear shaft, connection pulling-on piece dragging sliding rack is allowed to separate with fixed frame, first LED light bar and the second LED light bar are staggered projecting light, allow user can be in the viewing transparent glass screen that side is more clear, reflection light can be absorbed by concentration piece, reflection light is avoided to influence the effect of user's viewing, the design is in order to can be in the case where there is reflection light, transparency LED display screen can also be watched clearly.
Description
Technical field
The present invention relates to field of LED display, particularly with regard to a kind of frameless transparency LED display screen.
Background technique
With the quickening of urban construction paces, occurs a kind of transparency LED display screen in the market, the display screen is also in fact
One kind of LED display, there are certain general character between conventional LED display for it.In terms of display technology, transparency LED is aobvious
Display screen belongs to self-luminous as convention display and shows, is different from projection and rear-projection display technology, can independent play-out dynamic
Video and picture, without by projection etc. other tools, purposes be mainly used for elevation of building, market show window, intention
Display etc., but due to appearance the case where it is sometimes to have reflective and fuzzy pictures that side, which is seen, of transparency LED display screen, into
And influence the bandwagon effect of advertisement.
Summary of the invention
In view of the deficiencies of the prior art, the present invention is to realize by the following technical solutions: a kind of frameless transparency LED
Display screen, structure include control unit device, transparent glass screen, double-deck LED light bar, positioning guiding rack, carrying handle, the control
Unit device processed top is equipped with carrying handle, and the control unit device and carrying handle are gap-matched, before the control unit device
End surfaces are equipped with transparent glass screen, and the control unit device is fixedly connected with transparent glass screen, the control list
First device left and right ends are equipped with the double-deck LED light bar, the control unit device and the double-deck LED light bar electrical connection, the bilayer
LED light bar rear end is equipped with positioning guiding rack, and the double-deck LED light bar and positioning guiding rack are flexibly connected；
The control unit device is made of body, adjustable support pedestal, toothed disc, gear shaft, transmission gear, described
Body bottom end have adjustable support pedestal, the body and adjustable support pedestal are gap-matched, described
Adjustable support pedestal top middle position is equipped with toothed disc, and the adjustable support pedestal is fixedly connected with toothed disc,
It is set in the gear panel surface there are two gear shaft, the toothed disc and gear shaft are meshed, and the gear shaft is another
End is equipped with transmission gear, the gear shaft and transmission gear and passes through electric welding, the gear shaft and positioning guiding rack
It is sequentially connected by transmission gear.
As advanced optimizing for the technical program, the double-deck LED light bar is by sliding rack, fixed frame, connecting rod, first
LED light bar, the second LED light bar composition, the sliding rack have the first LED light bar, the sliding rack and the first LED light
Glue connection is equipped with fixed frame below the sliding rack, and the sliding rack is connected with fixed frame by connecting rod, described
Fixed frame has the second LED light bar, and the fixed frame and the second LED light bar match.
As advanced optimizing for the technical program, the sliding rack further includes connection pulling-on piece, the sliding rack table
Face is equipped with connection pulling-on piece, and the sliding rack and connection pulling-on piece pass through electric welding.
As advanced optimizing for the technical program, first LED light bar and the second LED light bar are respectively equipped with dust-proof
Band, concentration piece, the first LED light bar backside surface are equipped with dust-proof belt, first LED light bar and dust-proof belt glue connection
It connects, is equipped with concentration piece at left and right sides of second LED light bar, second LED light bar is connected with concentration piece.
As advanced optimizing for the technical program, the positioning guiding rack is by frame body, connection board, gear sheet, company
Column, balancing pole, spring composition are connect, is equipped with connection board inside the frame body, the frame body and connection board pass through balance
Bar is slidably matched, and connecting column is equipped on the connection board top, and the connection board front end is equipped with gear sheet, institute
The connection board stated is fixedly connected with gear sheet, is equipped with more than two springs on the connection board back side.
As advanced optimizing for the technical program, the frame body further includes lamp bead sliding slot, the frame body front-end table
Face is equipped with more than two lamp bead sliding slots.
As advanced optimizing for the technical program, the sliding rack and fixed frame are parallel to each other between the two.
As advanced optimizing for the technical program, the gear shaft and gear sheet are sequentially connected by transmission gear.
As advanced optimizing for the technical program, the connection board and connection pulling-on piece are interlocked by connecting column.
As advanced optimizing for the technical program, first LED light bar and the second LED light bar are between the two
In same level.
Beneficial effect
A kind of frameless transparency LED display screen of the present invention, after adjustable support pedestal is fixed, rotating transparent glass
Screen, toothed disc band movable gear shaft rotate, and kinetic energy is transmitted in gear sheet by gear shaft by transmission gear, so that gear
Piece moves backward, and gear sheet drives connection board to move a small distance backward, and connection board drives connection to draw by connecting column
Piece is mobile, and connection pulling-on piece dragging sliding rack is mobile, and sliding rack is separated by connecting rod with fixed frame, and sliding rack drives the when moving
One LED light bar is staggered with the second LED light bar, and the second LED light bar by reflective line absorption and reinforces the first LED light bar using concentration piece
The aggregation of light, so that people watch from side viewing transparent glass screen and can also be more clear, and the first LED light bar utilizes and prevents
Dust lane protects the second LED light bar back side, avoids the second LED light bar from being sticked for a long time by dust and optically focused occurs with friction
Projection obscures, and influences effect when the double-deck LED light bar plays.
Compared with prior art, the beneficial effects of the present invention are: driving gear sheet to be displaced work using gear shaft, connection is allowed
Pulling-on piece dragging sliding rack is separated with fixed frame, and the first LED light bar and the second LED light bar are staggered projecting light, allows use
Reflection light can be absorbed by concentration piece, be avoided in the viewing transparent glass screen that side is more clear by family
Reflection light influences the effect of user's viewing, which is to show in the case where there is reflection light to transparency LED
Screen can also be watched clearly.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of frameless transparency LED display screen of the present invention.
Fig. 2 faces the schematic diagram of the section structure for a kind of frameless transparency LED display screen of the present invention.
Fig. 3 is the stationary state structural schematic diagram of the double-deck LED light bar of the present invention.
Fig. 4 is the working state structure schematic diagram of the double-deck LED light bar of the present invention.
Fig. 5 is the structural schematic diagram of the first LED light bar and the second LED light bar of the invention.
Fig. 6 is the structural schematic diagram of positioning guiding rack of the present invention.
Fig. 7 is the enlarged drawing of A in Fig. 2 of the present invention.
In figure: control unit device -1, transparent glass screen -2, double-deck LED light bar -3, positioning guiding rack -4, carrying handle -5, machine
Body -1a, adjustable support pedestal -1b, toothed disc -1c, gear shaft -1d, transmission gear -1e, sliding rack -3a, fixed frame -3b,
Connecting rod -3c, the first LED light bar -3d, the second LED light bar -3e, connection pulling-on piece -3a1, dust-proof belt -3d1, concentration piece -3e1, frame
Body -4a, connection board -4b, gear sheet -4c, connecting column -4d, balancing pole -4e, spring -4f, lamp bead sliding slot -4a1.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment and Detailed description of the invention, the preferred embodiment that the present invention is further explained.
Embodiment
Fig. 1-Fig. 7 is please referred to, the present invention provides a kind of frameless transparency LED display screen, and structure includes control unit device
1, transparent glass screen 2, double-deck LED light bar 3, positioning guiding rack 4, carrying handle 5,1 top of control unit device is equipped with and mentions
5, the control unit device 1 and carrying handle 5 are gap-matched, and 1 front-end surface of control unit device is equipped with transparent
Glass screen 2, the control unit device 1 are fixedly connected with transparent glass screen 2,1 left and right ends of control unit device
It is equipped with the double-deck LED light bar 3, the control unit device 1 and the double-deck LED light bar 3 are electrically connected, after the double-deck LED light bar 3
End is equipped with positioning guiding rack 4, and the double-deck LED light bar 3 and positioning guiding rack 4 are flexibly connected, the control unit device 1
It is made of body 1a, adjustable support pedestal 1b, toothed disc 1c, gear shaft 1d, transmission gear 1e, under the bottom end body 1a
Equipped with adjustable support pedestal 1b, the body 1a and adjustable support pedestal 1b are gap-matched, and described is adjustable
The top support base 1b middle position is equipped with the fixed company of toothed disc 1c, the adjustable support pedestal 1b and toothed disc 1c
It connects, is set on the surface toothed disc 1c there are two gear shaft 1d, the toothed disc 1c and gear shaft 1d are meshed, described
The gear shaft 1d other end is equipped with transmission gear 1e, the gear shaft 1d and transmission gear 1e and passes through electric welding, described
Gear shaft 1d and positioning guiding rack 4 are sequentially connected by transmission gear 1e.
The double-deck LED light bar 3 is by sliding rack 3a, fixed frame 3b, connecting rod 3c, the first LED light bar 3d, the second LED light
3e composition, the sliding rack 3a have the first LED light bar 3d, the sliding rack 3a and the first LED light bar 3d glue connection
It connects, is equipped with fixed frame 3b below the sliding rack 3a, the sliding rack 3a is connected with fixed frame 3b by connecting rod 3c, institute
The fixed frame 3b stated has the second LED light bar 3e, the fixed frame 3b and the second LED light bar 3e and matches,
Above-mentioned sliding rack 3a is to allow it that can carry out displacement adjusting for connecting the first LED light bar 3d.
The sliding rack 3a further includes connection pulling-on piece 3a1, and the surface sliding rack 3a is equipped with connection pulling-on piece 3a1,
The sliding rack 3a and connection pulling-on piece 3a1 passes through electric welding,
Above-mentioned connection pulling-on piece 3a1 is the effect for dragging sliding rack 3a.
The first LED light bar 3d and the second LED light bar 3e is respectively equipped with dust-proof belt 3d1, concentration piece 3e1, described
First LED light bar 3d backside surface is equipped with dust-proof belt 3d1, the first LED light bar 3d and dust-proof belt 3d1 glue connection, institute
It is equipped with concentration piece 3e1 at left and right sides of the second LED light bar 3e stated, the second LED light bar 3e is connected with concentration piece 3e1
It connects.
The positioning guiding rack 4 is by frame body 4a, connection board 4b, gear sheet 4c, connecting column 4d, balancing pole 4e, spring
4f composition, it is sliding by balancing pole 4e that the inside frame body 4a is equipped with connection board 4b, the frame body 4a and connection board 4b
It is dynamic to cooperate, connecting column 4d is installed, the front end connection board 4b is equipped with gear sheet on the top connection board 4b
4c, the connection board 4b are fixedly connected with gear sheet 4c, are equipped on the back side connection board 4b more than two
Spring 4f,
Above-mentioned balancing pole 4e is for connection board 4b can keep balancing when mobile, and spring 4f is to be used for
The phenomenon that allowing connection board 4b to be not in derailing.
The frame body 4a further includes lamp bead sliding slot 4a1, and the frame body 4a front-end surface is equipped with more than two lamps
Pearl sliding slot 4a1,
Above-mentioned lamp bead sliding slot 4a1 is to allow the first LED light bar 3d when displacement, and frame body 4a will not influence its position
The work of shifting.
The sliding rack 3a and fixed frame 3b is parallel to each other between the two, and the gear shaft 1d and gear sheet 4c pass through
Transmission gear 1e transmission connection, the connection board 4b and connection pulling-on piece 3a1 are interlocked by connecting column 4d, and described first
LED light bar 3d and the second LED light bar 3e are in same level between the two.
The principle of the present invention: after adjustable support pedestal 1b is fixed, rotating transparent glass screen 2, toothed disc 1c
Band movable gear shaft 1d rotates, and kinetic energy is transmitted on gear sheet 4c by gear shaft 1d by transmission gear 1e, so that gear sheet
4c is moved backward, and gear sheet 4c drives connection board 4b to move a small distance backward, and connection board 4b passes through connecting column 4d band
Dynamic connection pulling-on piece 3a1 is mobile, and connection pulling-on piece 3a1 dragging sliding rack 3a is mobile, and sliding rack 3a passes through connecting rod 3c and fixed frame 3b points
From sliding rack 3a drives the first LED light bar 3d to be staggered with the second LED light bar 3e when moving, and the second LED light bar 3e utilizes optically focused
Piece 3e1 is by reflective line absorption and the aggregation of the first LED light bar 3d light of reinforcement, so that people watch from side viewing transparent glass screen
2 can also be more clear, and the first LED light bar 3d protects second back side LED light bar 3e using dust-proof belt 3d1, keeps away
Exempt from the second LED light bar 3e and sticked by dust with rubbing for a long time optically focused occur and project fuzzy, influences the double-deck LED light bar 3 and broadcast
Effect when putting.
Solution to the problem of the present invention is: driving gear sheet 4c to be displaced work using gear shaft 1d, allows and connect pulling-on piece 3a1
Dragging sliding rack 3a is separated with fixed frame 3b, and the first LED light bar 3d and the second LED light bar 3e are staggered projecting light,
User can be inhaled reflection light in the viewing transparent glass screen 2 that side is more clear by concentration piece 3e1
It receives, reflection light is avoided to influence the effect of user's viewing, which is in order to can be in the case where there is reflection light, to transparent
LED display can also be watched clearly.
The basic principles, main features and advantages of the present invention have been shown and described above, the technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention can not only be realized in other specific forms under the premise of not departing from spirit of that invention or essential characteristic
The present invention will also have various changes and improvements, these changes and improvements both fall within scope of the claimed invention, therefore this hair
Bright claimed range is defined by appended claims and its equivalent, rather than above description limits.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of frameless transparency LED display screen, structure includes control unit device (1), transparent glass screen (2), bilayer LED
Lamp bar (3), positioning guiding rack (4), carrying handle (5), control unit device (1) top are equipped with carrying handle (5), the control
Unit device (1) and carrying handle (5) are gap-matched, and control unit device (1) front-end surface is equipped with transparent glass screen
(2), the control unit device (1) is fixedly connected with transparent glass screen (2), described control unit device (1) left and right ends
It is equipped with the double-deck LED light bar (3), the control unit device (1) and the double-deck LED light bar (3) are electrically connected, the double-deck LED
Lamp bar (3) rear end is equipped with positioning guiding rack (4), and the double-deck LED light bar (3) and positioning guiding rack (4) are flexibly connected,
It is characterized in that:
The control unit device (1) is by body (1a), adjustable support pedestal (1b), toothed disc (1c), gear shaft (1d), biography
Moving gear (1e) composition, the bottom end the body (1a) has adjustable support pedestal (1b), the body (1a) and can
It adjusts support base (1b) to be gap-matched, the top middle position adjustable support pedestal (1b) is equipped with toothed disc
(1c), the adjustable support pedestal (1b) are fixedly connected with toothed disc (1c), and the surface the toothed disc (1c) is equipped with
Two gear shafts (1d), the toothed disc (1c) and gear shaft (1d) are meshed, and set on the gear shaft (1d) other end
Have transmission gear (1e), the gear shaft (1d) and transmission gear (1e) by electric welding, the gear shaft (1d) and
Positioning guiding rack (4) is sequentially connected by transmission gear (1e).
2. a kind of frameless transparency LED display screen according to claim 1, it is characterised in that: the double-deck LED light bar
(3) it is made of sliding rack (3a), fixed frame (3b), connecting rod (3c), the first LED light bar (3d), the second LED light bar (3e), it is described
Sliding rack (3a) have the first LED light bar (3d), the sliding rack (3a) and the first LED light bar (3d) glue connection, institute
It is equipped with fixed frame (3b) below the sliding rack (3a) stated, the sliding rack (3a) is connected with fixed frame (3b) by connecting rod (3c)
It connects, the fixed frame (3b) has the second LED light bar (3e), the fixed frame (3b) and the second LED light bar (3e) phase
Cooperation.
3. a kind of frameless transparency LED display screen according to claim 2, it is characterised in that: the sliding rack (3a)
It further include connection pulling-on piece (3a1), the sliding rack surface (3a) is equipped with connection pulling-on piece (3a1), the sliding rack (3a)
Pass through electric welding with connection pulling-on piece (3a1).
4. a kind of frameless transparency LED display screen according to claim 2, it is characterised in that: first LED light bar
(3d) and the second LED light bar (3e) are respectively equipped with dust-proof belt (3d1), concentration piece (3e1), the first LED light bar (3d) back
Face surface be equipped with dust-proof belt (3d1), first LED light bar (3d) and dust-proof belt (3d1) glue connection, described second
It is equipped with concentration piece (3e1) at left and right sides of LED light bar (3e), second LED light bar (3e) is connected with concentration piece (3e1)
It connects.
5. a kind of frameless transparency LED display screen according to claim 1, it is characterised in that: the positioning guiding rack
(4) it is made of frame body (4a), connection board (4b), gear sheet (4c), connecting column (4d), balancing pole (4e), spring (4f), it is described
Frame body (4a) inside be equipped with connection board (4b), the frame body (4a) and connection board (4b) pass through balancing pole (4e) sliding
Cooperate, be equipped with connecting column (4d) on the top the connection board (4b), the connection board front end (4b) is equipped with tooth
It takes turns piece (4c), the connection board (4b) is fixedly connected with gear sheet (4c), installs on the back side the connection board (4b)
There are two above springs (4f).
6. a kind of frameless transparency LED display screen according to claim 5, it is characterised in that: the frame body (4a) is also
Including lamp bead sliding slot (4a1), the frame body (4a) front-end surface is equipped with more than two lamp bead sliding slots (4a1).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110161144.5A CN113035074A (en) | 2019-05-29 | 2019-05-29 | Frameless transparent LED display screen and use method thereof |
| CN201910454504.3A CN110277029B (en) | 2019-05-29 | 2019-05-29 | Frameless transparent LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910454504.3A CN110277029B (en) | 2019-05-29 | 2019-05-29 | Frameless transparent LED display screen |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110161144.5A Division CN113035074A (en) | 2019-05-29 | 2019-05-29 | Frameless transparent LED display screen and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110277029A true CN110277029A (en) | 2019-09-24 |
| CN110277029B CN110277029B (en) | 2021-04-27 |
Family
ID=67960212
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110161144.5A Withdrawn CN113035074A (en) | 2019-05-29 | 2019-05-29 | Frameless transparent LED display screen and use method thereof |
| CN201910454504.3A Expired - Fee Related CN110277029B (en) | 2019-05-29 | 2019-05-29 | Frameless transparent LED display screen |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110161144.5A Withdrawn CN113035074A (en) | 2019-05-29 | 2019-05-29 | Frameless transparent LED display screen and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN113035074A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207052243U (en) * | 2017-06-24 | 2018-02-27 | 北京爵美时尚展示有限公司 | Lamp box |
| CN109164576A (en) * | 2018-09-19 | 2019-01-08 | 小卖科技有限公司 | A kind of transparence display composite plate of augmented reality |
-
2019
- 2019-05-29 CN CN202110161144.5A patent/CN113035074A/en not_active Withdrawn
- 2019-05-29 CN CN201910454504.3A patent/CN110277029B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207052243U (en) * | 2017-06-24 | 2018-02-27 | 北京爵美时尚展示有限公司 | Lamp box |
| CN109164576A (en) * | 2018-09-19 | 2019-01-08 | 小卖科技有限公司 | A kind of transparence display composite plate of augmented reality |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110277029B (en) | 2021-04-27 |
| CN113035074A (en) | 2021-06-25 |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Fang Guilong Inventor after: Pan Zhancheng Inventor before: Pan Zhancheng |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210409 Address after: 730030 room 1311-b, block B, innovation building, innovation park, 18 Yannan Road, Chengguan District, Lanzhou City, Gansu Province Applicant after: Gansu scientific research Intelligent Technology Development Co.,Ltd. Address before: 1366 Shuying Road, Beichang Industrial Park, Minhang District, Shanghai 201100 Applicant before: Pan Zhancheng |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210427 |